/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.it;

import org.apache.iotdb.it.env.ConfigFactory;
import org.apache.iotdb.it.env.EnvFactory;
import org.apache.iotdb.it.framework.IoTDBTestRunner;
import org.apache.iotdb.itbase.category.ClusterIT;
import org.apache.iotdb.itbase.category.LocalStandaloneIT;
import org.apache.iotdb.itbase.constant.TestConstant;
import org.apache.iotdb.itbase.env.BaseConfig;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import static org.junit.Assert.fail;

/**
 * Notice that, all test begins with "IoTDB" is integration test. All test which will start the
 * IoTDB server should be defined as integration test.
 */
@RunWith(IoTDBTestRunner.class)
@Category({LocalStandaloneIT.class, ClusterIT.class})
public class IoTDBSameMeasurementsDifferentTypesIT {

    private static final BaseConfig tsFileConfig = ConfigFactory.getConfig();
    private static int maxNumberOfPointsInPage;
    private static int pageSizeInByte;
    private static int groupSizeInByte;

    @BeforeClass
    public static void setUp() throws Exception {

        // use small page setting
        // origin value
        maxNumberOfPointsInPage = tsFileConfig.getMaxNumberOfPointsInPage();
        pageSizeInByte = tsFileConfig.getPageSizeInByte();
        groupSizeInByte = tsFileConfig.getGroupSizeInByte();

        // new value
        ConfigFactory.getConfig()
                .setMaxNumberOfPointsInPage(1000)
                .setPageSizeInByte(1024 * 150)
                .setGroupSizeInByte(1024 * 1000)
                .setMemtableSizeThreshold(1024 * 1000);

        EnvFactory.getEnv().initBeforeClass();

        insertData();
    }

    @AfterClass
    public static void tearDown() throws Exception {
        // recovery value
        ConfigFactory.getConfig()
                .setMaxNumberOfPointsInPage(maxNumberOfPointsInPage)
                .setPageSizeInByte(pageSizeInByte)
                .setGroupSizeInByte(groupSizeInByte)
                .setMemtableSizeThreshold(groupSizeInByte);
        EnvFactory.getEnv().cleanAfterClass();
    }

    private static void insertData() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute("CREATE DATABASE root.fans");
            statement.execute("CREATE TIMESERIES root.fans.d0.s0 WITH DATATYPE=INT32, ENCODING=RLE");
            statement.execute("CREATE TIMESERIES root.fans.d1.s0 WITH DATATYPE=INT64, ENCODING=RLE");

            for (int time = 1; time < 10; time++) {

                String sql =
                        String.format("insert into root.fans.d0(timestamp,s0) values(%s,%s)", time, time % 10);
                statement.execute(sql);
                sql = String.format("insert into root.fans.d1(timestamp,s0) values(%s,%s)", time, time % 5);
                statement.execute(sql);
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectAllTest() {
        String[] retArray =
                new String[]{
                        "1,1,1", "2,2,2", "3,3,3", "4,4,4", "5,5,0", "6,6,1", "7,7,2", "8,8,3", "9,9,4"
                };

        String selectSql = "select * from root.**";

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement1 = connection.createStatement();
             Statement statement2 = connection.createStatement()) {
            statement1.setFetchSize(10);
            ResultSet resultSet1 = statement1.executeQuery(selectSql);
            int cnt1 = 0;
            while (resultSet1.next() && cnt1 < 5) {
                String ans =
                        resultSet1.getString(TestConstant.TIMESTAMP_STR)
                                + ","
                                + resultSet1.getString("root.fans.d0.s0")
                                + ","
                                + resultSet1.getString("root.fans.d1.s0");
                Assert.assertEquals(retArray[cnt1], ans);
                cnt1++;
            }

            statement2.setFetchSize(10);
            ResultSet resultSet2 = statement2.executeQuery(selectSql);
            int cnt2 = 0;
            while (resultSet2.next()) {
                String ans =
                        resultSet2.getString(TestConstant.TIMESTAMP_STR)
                                + ","
                                + resultSet2.getString("root.fans.d0.s0")
                                + ","
                                + resultSet2.getString("root.fans.d1.s0");
                Assert.assertEquals(retArray[cnt2], ans);
                cnt2++;
            }
            Assert.assertEquals(9, cnt2);

            // use do-while instead of while because in the previous while loop, we have executed the next
            // function,
            // and the cursor has been moved to the next position, so we should fetch that value first.
            do {
                String ans =
                        resultSet1.getString(TestConstant.TIMESTAMP_STR)
                                + ","
                                + resultSet1.getString("root.fans.d0.s0")
                                + ","
                                + resultSet1.getString("root.fans.d1.s0");
                Assert.assertEquals(retArray[cnt1], ans);
                cnt1++;
            } while (resultSet1.next());
            // Although the statement2 has the same sql as statement1, they shouldn't affect each other.
            // So the statement1's ResultSet should also have 9 rows in total.
            Assert.assertEquals(9, cnt1);

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }
}
